21193272

素因数分解:

$2^3\times 3^3\times {\mathrm{59}}^1\times {\mathrm{1663}}^1$

素因数の和:1737

約数の個数: 64

約数和(自身を含む): 59904000

約数和(自身を除く): 38710728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 59, 72, 108, 118, 177, 216, 236, 354, 472, 531, 708, 1062, 1416, 1593, 1663, 2124, 3186, 3326, 4248, 4989, 6372, 6652, 9978, 12744, 13304, 14967, 19956, 29934, 39912, 44901, 59868, 89802, 98117, 119736, 179604, 196234, 294351, 359208, 392468, 588702, 784936, 883053, 1177404, 1766106, 2354808, 2649159, 3532212, 5298318, 7064424, 10596636, 21193272]

約数ペア:

[(1, 21193272), (2, 10596636), (3, 7064424), (4, 5298318), (6, 3532212), (8, 2649159), (9, 2354808), (12, 1766106), (18, 1177404), (24, 883053), (27, 784936), (36, 588702), (54, 392468), (59, 359208), (72, 294351), (108, 196234), (118, 179604), (177, 119736), (216, 98117), (236, 89802), (354, 59868), (472, 44901), (531, 39912), (708, 29934), (1062, 19956), (1416, 14967), (1593, 13304), (1663, 12744), (2124, 9978), (3186, 6652), (3326, 6372), (4248, 4989)]